#A34521
Closest named color: Burnt Umber (#A0450E). oklch(50.9% 0.134 40.1), rgb(163, 69, 33).
Aa
White text reads best on this color (6.12:1).
About this color
#A34521 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 51%, its chroma 0.134 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.014 away. White text reads best on it, at 6.12:1.
| Hue family | Browns |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.43:1 |
| White text | 6.12:1 |
Values
| HEX | #A34521 |
| RGB | rgb(163, 69, 33) |
| HSL | hsl(17, 66%, 38%) |
| OKLCH | oklch(50.9% 0.134 40.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #A34521 | 6.12:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #A34521 | 3.43:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #A34521 text on white | 6.12:1 | AA | Lc 79.9 | Fine for body text |
| #A34521 text on black | 3.43:1 | AA large text | Lc -21.9 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#EFD2C8
oklch(88.5% 0.035 40)
-
Step 300
300
#E6B3A1
oklch(80.8% 0.065 40.3)
-
Step 400
400
#D88A6E
oklch(70.7% 0.104 40.5)
-
Step 500
500
#CB6A47
oklch(63% 0.133 40.2)
-
Step 600
600
#B74F28
oklch(55.6% 0.145 39.9)
-
Step 700
700 (this color)
#A34521
oklch(50.9% 0.134 40.1)
-
Step 800
800
#7F3519
oklch(42.6% 0.11 40.1)
-
Step 900
900
#672F1B
oklch(37.7% 0.087 39.8)
-
Step 950
950
#3C1C11
oklch(26.9% 0.054 39.5)
#A34521 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5F551C | 0.131 |
| Deuteranopia (no green cones) | #766A1E | 0.120 |
| Tritanopia (no blue cones) | #B32F3E | 0.064 |
| Achromatopsia (no color) | #626262 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A34521
#A34521
oklch(50.9% 0.134 40.1)
- #00728A
#00728A
oklch(51% 0.092 219.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A34521, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.014
- Russet #A13905 ΔE 0.026
- Sienna #A0522D ΔE 0.027
- Brick #A03623 ΔE 0.033
- Cinnamon #AC4F06 ΔE 0.036
- Warm Brown #964E02 ΔE 0.039
- Rusty Red #AF2F0D ΔE 0.040
- Sinopia #BB3E03 ΔE 0.046
Use #A34521 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.